Here's the relevant STAR info
46N MIN STAY/ TRAVEL FROM THE LAST POINT OUTSIDE THE
47N . COUNTRY OF ORIGIN MAY NOT COMMENCE PRIOR
48N . TO 10 DAYS AFTER DEPARTURE OF THE FIRST
49N . INTERNATIONAL SECTOR
50N . **EXCEPTION: ORIGIN SOUTHWEST PACIFIC
51N . - FIRST/BUSINESS CLASS NONE
52N . - ECONOMY CLASS 7 DAYS
53N . **EXCEPTION: ORIGIN EUROPE
54N . TRAVEL ON THE LAST INTERCONTINENTAL
55N . SEGMENT MUST COMMENCE NO EARLIER
56N . THAN 10 DAYS AFTER THE FIRST
57N . INTERCONTINENTAL SEGMENT
58N . **EXCEPTION: ORIGIN HKG - FOR TICKETS
59N . ISSUED ON/AFTER 10OCT01 - NO
60N . MINIMUM FOR FIRST/BUSINESS CLASS
61N . NOTE: TRAVEL BTWN US/CA IS NOT INTL TRAVEL.
I have only even been origin SWP in business class, so no min restrictions involved. But for North America start, lines 46, 47, 48 make it pretty clear.